Hurricanes
What do hurricanes rotate around?
An eye
Hail
What makes a tornado get its dark color?
Dust
This is a visible electric discharge produce by thunderstorms.
Lightning
What is another term for air pressure?
Atmospheric pressure
Wind speeds need to be greater than how many km per hour to be considered a hurricane?
greater than 119 km per hour or 74 mph
Severe storms with low temperatures, strong winds, and large amounts of snow.
Blizzards
It gets its name from this Spanish word for thunderstorm.
Tronada.
An explosive sound that usually accompanies lightning.
Thunder
the layer of gases surrounding Earth.
atmospher
What is another term for hurricane?
Typhoon or tropical cyclone
Rapidly rotating columns of air that extend from a thunderstorm to the ground.
Tornado
Wind speeds can reach this speed or higher.
417 km
What is the most common thing that lightning damages?
trees
the mixture of gases surrounding Earth.
air
What do hurricanes first take form as?
Tropical Storms
These storms result in heavy rain, but also may produce other weather threats like flooding and dangerous lightning.
Thunderstorms
The oldest known photo of a tornado was taken in this state.
South Dakota
Scientist estimate there are this many lightning strikes on Earth every second of every day.
44
Rare conditions in which strong winds carry dust over a large area.
Dust Storm
What is the name of the hurricane that was the most costliest in US history?
Hurricane Katrina
Moving wind systems that rotate around an eye, or center of low atmospheric pressure.
Hurricane
Region in the US that is prone to tornadoes.
Tornado Alley
What classifies a thunderstorm as severe?
- Hail 1.9 cm or more in diameter
-winds gusting in excess of 96 km or more per hour
- a tornado
verticle winds
updrafts